Specifications

<Predrive Control>
•
Predrive is controlled in three different ways depending on the surface
temperatures of the Upper and Lower Fusing Rollers. This is done to save
downtime for clearing of misfeeds and other troubles.
Fusing Roller
Condition
Surface Temperature of
Upper/Lower Fusing Roller
Predrive
1 Cool
The surface temperature of the Upper
Fusing Roller is 170°C or less.
Predrive for 85 sec.
when the Upper
Fusing Roller is
170°C
2 Heated
➀
The surface temperature of the Upper
Fusing Roller is 170°C or higher and
the temperature difference between
the two rollers is 120°C or more.
Predrive for 40 sec.
when the Upper
Fusing Roller is
180°C
3 Heated
➁
The surface temperature of the Upper
Fusing Roller is 170°C or higher and
the temperature difference between
the two rollers is less than 120°C.
Predrive for 5 sec.
when the Upper
Fusing Roller is
190°C.
◆
Example: The copier is turned ON when the Upper and Lower Fusing
Rollers remain cool in the morning and a copy cycle is run
following the completion of warm-up. During the copy cycle, a
misfeed occurs and is cleared, which is followed by predrive.
At this time, the Fusing Rollers are in the condition of heated
➁
.
1075M156CC
190
170
140
180
0
M6
H1
H2
H3
Misfeed Reset
Power Switch
ON
85 sec.
Warm-up Completed
(Temperature Control Completed)
Predrive Start
Predrive End
Start Key
ON
( C)
Changes in Upper Fusing Roller
Surface Temperature
Changes in Lower Fusing Roller
Surface Temperature
5 min. or less
Fusing Motor M6 Energized Temperature Control Provided
(Time)
5 sec.
Predrive Start
(Temperature
Control Completed)
Misfeed Occurred
Misfeed Clearing Time
Predrive End
M-175